Login

using System;

namespace Intro_and_Basic_Syntax
{
    class Program
    {
        static void Main(string[] args)
        {
            string username = Console.ReadLine();
            string password = "";

            for (int i = username.Length - 1; i >= 0; i--)
            {
                password += username[i];

            }
            for (int i = 0; i < 4; i++)
            {
                string current = Console.ReadLine();
                if(current == password)
                {
                    Console.WriteLine($"User {username} logged in.");
                    break;
                }
                else
                {
                    Console.WriteLine("Incorrect password. Try again.");
                }
                if (i == 4)
                {
                      Console.WriteLine($"User {username} blocked!");
                }
            }
        }
    }
}